Home / 8,538.22-12,802.26-3,340.42

Finding the Fourth Proportional to 8,538.22, 12,802.26 and 3,340.42

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Solution

The fourth proportional to 8,538.22, 12,802.26 and 3,340.42 is: 5,008.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,538.22 : 12,802.26 = 3,340.42 : x
  2. Step 2: Convert to fraction form
    8,538.22/12,802.26 = 3,340.42/x
  3. Step 3: Cross multiply
    8,538.22x = 12,802.26 × 3,340.42
  4. Step 4: Simplify right side
    8,538.22x = 42,764,925.35
  5. Step 5: Solve for x
    x = 42,764,925.35/8,538.22
  6. Step 6: Final answer
    x = 5,008.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.